A265216 Number of nX5 0..n*5-1 arrays with upper left zero and lower right n*5-1 and each element differing from its horizontal and vertical neighbors by a power of three.

12, 1958, 959210, 361386063, 112968132978, 64809856589464, 84621589234807688, 151566698900534826760, 51034597005422474477477, 43886125769636224451861515, 48797277198847867243368441426

Offset

1,1

Comments

Column 5 of A265218.

Links

R. H. Hardin, Table of n, a(n) for n = 1..36

Example

Some solutions for n=2
..0..1..2..3..6....0..9..0..9..8....0..3..2..1..0....0..9..8..5..8
..3..4..3..0..9....9..8..9..8..9....3..0..1..0..9....9..6..5..6..9

Crossrefs

Cf. A265218.

Sequence in context: A015028 A167745 A326601 * A011920 A323817 A263584

Adjacent sequences: A265213 A265214 A265215 * A265217 A265218 A265219

Keyword

nonn

Author

R. H. Hardin, Dec 05 2015

Extensions

Extend b-file from 20 to 36, R. H. Hardin, Dec 06 2015

Status

approved